TW201220715A - Quantization device and quantization method - Google Patents
Quantization device and quantization method Download PDFInfo
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- TW201220715A TW201220715A TW100133377A TW100133377A TW201220715A TW 201220715 A TW201220715 A TW 201220715A TW 100133377 A TW100133377 A TW 100133377A TW 100133377 A TW100133377 A TW 100133377A TW 201220715 A TW201220715 A TW 201220715A
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- quantization
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- 238000013139 quantization Methods 0.000 title claims abstract description 143
- 238000000034 method Methods 0.000 title claims abstract description 39
- 239000013598 vector Substances 0.000 claims abstract description 142
- 238000004364 calculation method Methods 0.000 claims abstract description 38
- 238000011002 quantification Methods 0.000 claims description 3
- 230000005284 excitation Effects 0.000 description 21
- 230000003044 adaptive effect Effects 0.000 description 20
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- 238000004458 analytical method Methods 0.000 description 9
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- 238000003786 synthesis reaction Methods 0.000 description 9
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- 238000001228 spectrum Methods 0.000 description 8
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3082—Vector coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/94—Vector quantisation
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
- G10L19/07—Line spectrum pair [LSP] vocoders
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L2019/0001—Codebooks
- G10L2019/0004—Design or structure of the codebook
- G10L2019/0005—Multi-stage vector quantisation
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L2019/0001—Codebooks
- G10L2019/0004—Design or structure of the codebook
- G10L2019/0006—Tree or treillis structures; Delayed decisions
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L2019/0001—Codebooks
- G10L2019/0013—Codebook search algorithms
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L2019/0001—Codebooks
- G10L2019/0016—Codebook for LPC parameters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Acoustics & Sound (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010210116 | 2010-09-17 | ||
| JP2010230537 | 2010-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW201220715A true TW201220715A (en) | 2012-05-16 |
Family
ID=45831266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW100133377A TW201220715A (en) | 2010-09-17 | 2011-09-16 | Quantization device and quantization method |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US9135919B2 (ja) |
| EP (1) | EP2618331B1 (ja) |
| JP (1) | JP5687706B2 (ja) |
| KR (1) | KR20130112869A (ja) |
| CN (1) | CN103081007A (ja) |
| BR (1) | BR112013006103A2 (ja) |
| CA (1) | CA2810995A1 (ja) |
| RU (1) | RU2013111526A (ja) |
| TW (1) | TW201220715A (ja) |
| WO (1) | WO2012035781A1 (ja) |
| ZA (1) | ZA201301886B (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2557566B8 (en) * | 2010-04-08 | 2018-09-19 | Lg Electronics Inc. | Method and apparatus for processing an audio signal |
| CN104918046B (zh) * | 2014-03-13 | 2019-11-05 | 中兴通讯股份有限公司 | 一种局部描述子压缩方法和装置 |
| CN110764696B (zh) * | 2019-09-26 | 2020-10-16 | 开放智能机器（上海）有限公司 | 向量信息存储及更新的方法、装置、电子设备及存储介质 |
| KR20240033374A (ko) * | 2022-09-05 | 2024-03-12 | 서울대학교산학협력단 | 비터비 빔 서치를 이용한 레지듀얼 벡터 양자화 장치, 방법 및 컴퓨터 판독 가능 매체 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07120958B2 (ja) * | 1986-04-04 | 1995-12-20 | 三菱電機株式会社 | 木探索ベクトル量子化器 |
| JPS62234432A (ja) * | 1986-04-04 | 1987-10-14 | Hitachi Ltd | 双方向光伝送方法とその装置 |
| US5271089A (en) * | 1990-11-02 | 1993-12-14 | Nec Corporation | Speech parameter encoding method capable of transmitting a spectrum parameter at a reduced number of bits |
| JP3114197B2 (ja) * | 1990-11-02 | 2000-12-04 | 日本電気株式会社 | 音声パラメータ符号化方法 |
| JP3151874B2 (ja) * | 1991-02-26 | 2001-04-03 | 日本電気株式会社 | 音声パラメータ符号化方式および装置 |
| JP3296363B2 (ja) * | 1991-04-30 | 2002-06-24 | 日本電信電話株式会社 | 音声の線形予測パラメータ符号化方法 |
| US5774839A (en) * | 1995-09-29 | 1998-06-30 | Rockwell International Corporation | Delayed decision switched prediction multi-stage LSF vector quantization |
| JP3246715B2 (ja) * | 1996-07-01 | 2002-01-15 | 松下電器産業株式会社 | オーディオ信号圧縮方法，およびオーディオ信号圧縮装置 |
| US5966688A (en) | 1997-10-28 | 1999-10-12 | Hughes Electronics Corporation | Speech mode based multi-stage vector quantizer |
| JP3973789B2 (ja) * | 1999-03-09 | 2007-09-12 | 三菱電機株式会社 | 要素分布の探索方法，ベクトル量子化方法，パターン認識方法，音声認識方法，音声認識装置及び認識結果を決定するためのプログラムが記録された記録媒体 |
| JP3594854B2 (ja) * | 1999-11-08 | 2004-12-02 | 三菱電機株式会社 | 音声符号化装置及び音声復号化装置 |
| CA2733453C (en) * | 2000-11-30 | 2014-10-14 | Panasonic Corporation | Lpc vector quantization apparatus |
| JP2002229597A (ja) * | 2000-11-30 | 2002-08-16 | Matsushita Electric Ind Co Ltd | Ｌｐｃパラメータのベクトル量子化装置 |
| JP3428595B2 (ja) * | 2002-06-03 | 2003-07-22 | 日本電気株式会社 | 音声符号化方式 |
| EP2557566B8 (en) * | 2010-04-08 | 2018-09-19 | Lg Electronics Inc. | Method and apparatus for processing an audio signal |
-
2011
- 2011-09-16 US US13/821,577 patent/US9135919B2/en active Active
- 2011-09-16 CN CN2011800423091A patent/CN103081007A/zh active Pending
- 2011-09-16 BR BR112013006103A patent/BR112013006103A2/pt not_active IP Right Cessation
- 2011-09-16 RU RU2013111526/08A patent/RU2013111526A/ru unknown
- 2011-09-16 EP EP11824794.9A patent/EP2618331B1/en not_active Not-in-force
- 2011-09-16 JP JP2012533874A patent/JP5687706B2/ja not_active Expired - Fee Related
- 2011-09-16 KR KR1020137006545A patent/KR20130112869A/ko not_active Application Discontinuation
- 2011-09-16 TW TW100133377A patent/TW201220715A/zh unknown
- 2011-09-16 WO PCT/JP2011/005244 patent/WO2012035781A1/ja active Application Filing
- 2011-09-16 CA CA2810995A patent/CA2810995A1/en not_active Abandoned
-
2013
- 2013-03-13 ZA ZA2013/01886A patent/ZA201301886B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP2618331A1 (en) | 2013-07-24 |
| RU2013111526A (ru) | 2014-10-27 |
| CA2810995A1 (en) | 2012-03-22 |
| KR20130112869A (ko) | 2013-10-14 |
| JPWO2012035781A1 (ja) | 2014-01-20 |
| WO2012035781A1 (ja) | 2012-03-22 |
| BR112013006103A2 (pt) | 2019-09-24 |
| US20130173263A1 (en) | 2013-07-04 |
| JP5687706B2 (ja) | 2015-03-18 |
| ZA201301886B (en) | 2013-11-27 |
| US9135919B2 (en) | 2015-09-15 |
| EP2618331A4 (en) | 2013-10-09 |
| CN103081007A (zh) | 2013-05-01 |
| EP2618331B1 (en) | 2016-08-31 |
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